Human Data Engineer

<div class="content-intro"><p><span style="font-family: arial, helvetica, sans-serif;">SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.&nbsp;</span><span style="font-family: arial, helvetica, sans-serif;">Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. </span><span style="font-family: arial, helvetica, sans-serif;">We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. </span><span style="font-family: arial, helvetica, sans-serif;">All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.</span></p></div><h3>ABOUT THE ROLE:</h3> <p>You will ensure engineering teams get the right data they need—high-quality tasks and evaluations—by crafting and executing high-value Human Data projects. You sit at the intersection of engineering and data operations: partnering with model teams, designing projects that capture meaningful signals, and driving data yield and eval lift. This is a hands-on technical role for engineers who deeply understand training and evaluation and want to influence data strategy.</p> <h3><strong>RESPONSIBILITIES:</strong></h3> <ul> <li>Partner with model and engineering teams to understand needs and translate them into high-value data projects and evaluation strategies.</li> <li>Own end-to-end delivery of critical data and eval projects that capture meaningful training signals and support rapid model development.</li> <li>Build tools and systems to measure data effectiveness (data yield, eval lift, usage), and run evaluations yourself to continuously improve quality.</li> <li>Maintain rigorous data integrity and truthfulness, including validation processes for factual accuracy; prioritize quality over quantity.</li> <li>Research, implement, and evaluate techniques for data collection, annotation, generation, and multi-modal integration.</li> <li>Shape Grok’s behavior and domain performance through targeted data work.</li> <li>Design and improve annotation workflows, labeling interfaces, and related tools with a focus on data quality and integrity.</li> <li>Act as a liaison between engineering, technical staff, and tutoring / Human Data teams to drive alignment and knowledge sharing.</li> <li>Collaborate with Human Data Ops and stakeholders to scale projects, share learnings, and contribute to demand forecasting; report status, insights, and blockers for rapid decisions.</li> </ul> <h3><strong>BASIC QUALIFICATIONS:</strong></h3> <ul> <li>Bachelor’s degree in engineering, computer science, or a related STEM discipline, or 4+ years of experience in lieu of a degree</li> <li>Experience collaborating with cross-functional teams (engineering, research, product, or annotation/operations groups)</li> <li>Demonstrated experience analyzing datasets to identify trends, anomalies, quality issues, or integrity problems</li> </ul> <h3><strong>PREFERRED SKILLS AND EXPERIENCE:</strong></h3> <ul> <li>Master’s degree or higher in a relevant technical field</li> <li>Direct experience curating, evaluating, or improving training or evaluation datasets for large language models or other AI/ML systems</li> <li>Experience designing, supporting, or optimizing annotation tools, labeling interfaces, or data workflows that prioritize factual accuracy and data integrity</li> <li>Familiarity with multimodal data (text + images, code, or other modalities) or domain-specific data (science, mathematics, programming, recent events, etc.)</li> <li>Experience conducting model or dataset evaluations focused on quality, truthfulness, or alignment with product goals</li> <li>Experience in a scripting language like Python</li> <li>Experience in SQL or other data analysis tools</li> </ul> <h3><strong>ADDITIONAL REQUIREMENTS:</strong></h3> <ul> <li>Weekend work may be required.</li> <li>Travel to other SpaceXAI sites may be required.</li> </ul> <h3><strong>COMPENSATION AND BENEFITS:</strong></h3> <p>$144,000 - $270,000 USD</p> <p>Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short &amp; long-term disability insurance, life insurance, and various other discounts and perks.</p><div class="content-conclusion"><p><em>SpaceXAI is an equal opportunity employer. For details on data processing, view our </em><em><a href="https://x.ai/legal/recruitment-privacy-notice" target="_blank">Recruitment Privacy Notice</a>.</em></p></div>